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Analytical Guide


Question of treaties concluded between States and international organizations or between two or more international organizations

last update: 30 June 2005
A. Mandate
    G.A. Res. 2501 (XXIV) of 12 November 1969 (E, F, S, R, C, A)
B. Studies undertaken by the Secretariat and Reports of the Secretary-General
    1. 23rd session of the International Law Commission (1971)  
      - Question of treaties concluded between States and international organizations or between two or more international organizations: Working paper submitted by the Secretary-General, containing a short bibliography, a historical survey of the question and a preliminary list of the relevant treaties published in the United Nations Treaty Series
- U.N. Doc. A/CN.4/L.161 and Add.1-2 (mimeograph)  
- ILC Report, A/8410/Rev.1 (F) A/26/10), 1971, chp. IV, par.115
    2. 26th session of the International Law Commission (1974)
      - Selected bibliography on the question of treaties concluded between States and international organizations or between two or more international organizations - document prepared by the Secretariat
- U.N. Doc. A/CN.4/277 (F) (in Ybk, 1974, vII(2) (F))
- ILC Report, A/9610/Rev.1 (F) A/29/10), 1974, chp. IV(A), par.127
      - Possibilities of participation by the United Nations in international agreements on behalf of a territory: study prepared by the Secretariat

- U.N. Doc. A/CN.4/281 (F) (in Ybk, 1974, vII(2) (F))
- ILC Report, A/9610/Rev.1 (F) A/29/10), 1974, chp. IV(A), par.127
C. Reports of the Working Group or Sub-Committee
    1. 22nd session of the International Law Commission (1970) 
      - Treaties concluded between States and international organizations or between two or more international organizations: Report of the Sub-Committee on Treaties concluded between States and International Organizations or between two or more International Organizations 
       
- U.N. Doc. A/CN.4/L.155 (F) (in ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. V(D), par.89)
    2. 23rd session of the International Law Commission (1971)
      - Report of the Sub-Committee on Treaties concluded between States and International Organizations or between two or more International Organizations
- U.N. Doc. A/CN.4/250 (F) (in ILC Report, A/8410/Rev.1 (F) (A/26/10), 1971, chp. IV, Annex)  
- ILC Report, A/8410/Rev.1, (F), 1971, chp. IV, paras.116-118
      - Annex I: Questionnaire prepared by the Chairman of the Sub-Committee
-Ybk, 1971, vII(2)
      - Annex II: Replies by Members of the Sub-Committee to the Question prepared by its Chairman
- Ybk, 1971, vII(2) (F)
D. Reports of the Special Rapporteur
    1. Survey of the development of the subject; preliminary examination of questions such as the form in which international organizations express their consent to be bound by a treaty, their capacity to conclude treaties, the question of representation, the effect of treaties concluded by international organizations, and the precise meaning of the reservation concerning "any relevant rules of the organization" which appears in article 5 of the Vienna Convention on the Law of Treaties.  
      - First Report of the Special Rapporteur, Mr. Paul Reuter (24th session of the ILC (1972)) 
       

-U.N. Doc. A/CN.4/258 (F) (in Ybk, 1972, vII (F))  
- ILC Report, A/9010/Rev.1 (F) A/28/10), 1973, chp. V, paras.127-133
    2. Supplementing the first report in the light of, inter alia, the substantial information since communicated by international organizations in reply to a questionnaire (annexed to the second report).  
      - Second Report of the Special Rapporteur, Mr. Paul Reuter (25th session of the ILC (1973)) 
       
- U.N. Doc. A/CN.4/271 (F) (in Ybk, 1973, vII (F))
- ILC Report, A/9010/Rev.1 (F) A/28/10), 1973, chp. V, paras.127-133
    3. Five draft articles: Scope of the present articles (art.1); Use of terms (art.2); International agreements not within the scope of the present articles (art.3); Non-retroactivity of the present articles (art.4); Capacity of international organizations to conclude treaties (art.6).  
      - Third Report of the Special Rapporteur, Mr. Paul Reuter (26th session of the ILC (1974)) 
       
- U.N. Doc. A/CN.4/279 and Corr.1 (F) (in Ybk, 1974, vII(1) (F)) 
- ILC Report, A/9610/Rev.1 (F) A/29/10), 1974, chp. IV(A), paras.133-134
    4. Conclusion and entry into force of treaties, and observance , application and interpretation of treaties. Draft text of sub-paragraphs (b), (c) and (g) of paragraph 1 of article 2; draft articles 7 to 23.  
      - Fourth Report of the Special Rapporteur, Mr. Paul Reuter (27th session of the ILC (1975)) 
       
- U.N. Doc. A/CN.4/285 (F) (in Ybk, 1975, vII (F))
- ILC Report, A/10010/Rev.1 (F) (1974), 1975, chp. V, par.121
    5. Devoted to the reconsideration of the question of reservations. Draft articles 19 to 23.  
      - Fifth Report of the Special Rapporteur, Mr. Paul Reuter (28th session of the ILC (1976)) 
       
- U.N. Doc. A/CN.4/290 and Add.1 (F) (in Ybk, 1976, vII(1) (F)) 
- ILC Report, A/31/10, (F), 1976, chp. VI(A), par.167
    6. Proposals for articles 34 to 38 of section 4 (treaties and third States or third international organizations).  
      - Sixth Report of the Special Rapporteur, Mr. Paul Reuter (29th session of the ILC (1977)) 
       
- U.N. Doc. A/CN.4/298 (F) (in Ybk, 1977, vII(1) (F)) 
- ILC Report, A/32/10, (F), 1977, chp. IV(A), par.64
    7. Part IV: Amendment and Modification of Treaties, articles 39-41. Proposed draft articles, with commentaries.  
      - Seventh Report of the Special Rapporteur, Mr. Paul Reuter (30th session of the ILC (1978)) 
       
- U.N. Doc A/CN.4/312 (F) (in Ybk, 1978, vII(1) (F))
- ILC Report, A/33/10, (F), 1978, chp. V(A), par. 127
    8. Part V: invalidity, termination and suspension of the operation of treaties. Draft articles 42-60, with commentaries (continued).  
      - Eighth Report of the Special Rapporteur, Mr. Paul Reuter (31st session of the ILC (1979)) 
       
- U.N. Doc. A/CN.4/319 (F) (in Ybk, 1979, vII(1) (F))
- ILC Report, A/34/10, (F), 1979, chp. IV, par. 78
    9. Part V: invalidity, termination and suspension of the operation of treaties. Draft articles with commentaries. The report concerns articles 61 to 80 as well as an annex related to article 66.  
      - Ninth Report of the Special Rapporteur, Mr. Paul Reuter (32nd session of the ILC (1980)) 
       
- U.N. Doc. A/CN.4/327 and Corr. 1 (F) (in Ybk, 1980, vII(1) (F))
- ILC Report, A/35/10, (F), 1980, chp. IV, par. 51
    10. The report included general observations and a review of articles 1-41 of the draft articles as adopted on first reading, in the light of the written comments and observations received.  
      - Tenth Report of the Special Rapporteur, Mr. Paul Reuter (33rd session of the ILC (1981)) 
       
- U.N. Doc. A/CN.4/341 and Add.1/Corr.1 (F) (in Ybk, 1981, vII(1) (F)) 
- ILC Report, A/36/10, (F), 1981, chp. III(A)(1), par. 103-104
    11. Articles 27-41 were re-submitted. It also included a review of articles 42 to 80 and annex as adopted in the first reading in light of the written comments and observations received.  
      - Eleventh Report of the Special Rapporteur Mr. Paul Reuter (34th session of the ILC (1982)) 
       
- U.N. Doc. A/CN.4/353 (F) (in Ybk, 1982, vII(1) (F)) 
- ILC Report, A/37/10, (F), 1982, chp. II (A)(1), paras. 32-33
E. Reports of the Drafting Committee
    1. 26th session of the International Law Commission (1974) 
      - Text adopted by the Drafting Committee: title of the draft articles and of parts I and II (and of sec.1) and arts. 1-4 and 6
- U.N. Doc. A/CN.4/L.210 (F) (in Ybk, 1974, vI, (F), 1291st mtg (9 July 1974))  
- ILC Report, A/10010/Rev.1 (F) (A/29/10), 1975, chp. V, par.137
    2. 27th session of the International Law Commission (1975) 
      - Text adopted by the Drafting Committee: sub-paragraphs (b), (b bis), (b ter), (c), (c bis) and (g) of article 2, paragraph 1; articles 7 to 18.
- U.N. Doc. A/CN.4/L.240 (F) (in Ybk, 1975, vI, (F), 1353rd mtg (21 July 1975)  
- ILC Report, A/10010/Rev.1 (F) (A/30/10), 1975, chp. V, par.137
    3. 29th session of the International Law Commission (1977)
      - Text adopted by the Drafting Committee: sub-paragraph (j) of article 2, paragraph 1; articles 19, 19 bis, 19 ter, 20, 20 bis, 21-23, 23 bis, 24, 24 bis, 25, 25 bis, 26-34.
- U.N. Doc. A/CN.4/L.255 and Add.1, Add.2 and Corr.1 and Add.3 (F) (in Ybk, 1977, vI, (F), 1446th mtg (24 June 1977), 1451st mtg (1 July 1977), and 1458th and 1459th mtgs (12 and 13 July 1977))  
- ILC Report, A/32/10, (F), 1977, chp. IV(A), par.64
    4. 30th session of the International Law Commission (1978)
      - Draft articles on treaties concluded between States and international organizations or between international organizations. Texts adopted by the Drafting Committee: paragraph 1(h) of article 2, and articles 35, 36 bis, 37 and 38
- U.N. Doc. A/CN.4/L.269 (F) (in Ybk, 1978, vI, (F), 1509th mtg (29 June 1978), 1510th mtg (30 June 1978) and 1512th mtg (5 July 1978))  
- ILC Report, A/33/10, (F), 1978, chp. V(A), par. 127
    5. 31st session of the International Law Commission (1979)
      - Draft articles on treaties concluded between States and international organizations or between international organizations. Texts adopted by the Drafting Committee: arts. 39-60 and titles of the corresponding parts and sections of the draft
- U.N. Doc. A/CN.4/L.300 (F) (in Ybk, 1979, vI, (F), 1576th mtg (25 July 1979))  
- ILC Report, A/34/10, (F), 1979, chp. IV(B), par.85
    6. 32nd session of the International Law Commission (1980)
      - Draft articles on treaties concluded between States and international organizations or between international organizations. Texts adopted by the Drafting Committee: Articles 61-80 and Annex, and titles of the parts and corresponding sections of the draft
- U.N. Doc. A/CN.4/L.312 (F) (in Ybk, 1980, vI, (F), 1624th mtg (2 July 1980))  
- ILC Report, A/35/10, (F), 1980, chp. IV, par. 51
    7. 33rd session of the International Law Commission (1981) 
      - Draft articles on treaties concluded between States and international organizations or between international organizations. Texts proposed by the Drafting Committee: Articles 1, 2 (except for par. 1, subparas. (d) and (h), 3, 4, and 6 to 18)
- U.N. Doc. A/CN.4/L.327 (F) (in Ybk, 1981, vI, (F), 1681st mtg (30 June 1981))  
- ILC Report, A/36/10, (F), 1981, chp. III(A)(1), par. 104
      - Draft articles on treaties concluded between States and international organizations or between international organizations: Revised texts of Article 2, par. 1, subpar. (c), and articles 7, 9 and 17
- U.N. Doc. A/CN.4/L.327/Add.1 (F) (in Ybk, 1981, vI, (F), 1692nd mtg (16 July 1981))  
- ILC Report, A/36/10, (F), 1981, chp. III(A)(1), par. 104
      - Draft articles on treaties concluded between States and international organizations or between international organizations: article 2, para. 1, subpara. (d), and articles 5 and 19 to 26
- U.N. Doc. A/CN.4/L.327/Add.2 (F) (in Ybk, 1981, vI, (F), 1692nd mtg (16 July 1981))  
- ILC Report, A/36/10, (F), 1981, chp. III(A)(1), par. 104
    8. 34th session of the International Law Commission (1982)
      - Draft articles on treaties concluded between States and international organizations or between international organizations: Texts adopted by the Drafting Committee: Article 2, par. 1 (c bis) and h, article 5, article 7, par. 4, article 20, par. 3, articles 27 to 36, 36 bis, 37 to 80 and annex.
- U.N. Doc. A/CN.4/L.341 (F) (in Ybk, 1982, vI, (F), 1740th mtg, (6 July 1982))  
- ILC Report, A/37/10, (F), 1982, chp. II (A)(1), par. 33
F. Comments by Governments
    1. 33rd session of the International Law Commission (1981)
      - Comments and observations of Governments and principal international organizations on articles 1-60 of the draft articles on treaties concluded between States and international organizations or between international organizations adopted by the International Law Commission at its twenty-sixth, twenty-seventh, twenty-ninth, thirtieth and thirty-first sessions
- U.N. Doc. A/CN.4/339 and Add.1-8 (F) (in ILC Report, A/36/10, (F), 1981, annex II)  
- ILC Report, A/36/10, (F), 1981, chp. III(A)(1), par. 103
    2. 34th session of the International Law Commission (1982)
      - Comments and observations of Governments and principal international organizations on draft articles 61-80 and annex of the draft articles on treaties concluded between States and international organizations or between international organizations adopted by the International Law Commission at its thirty-second session
- U.N. Doc. A/CN.4/350 and Add. 1-6 and Add.6 /Corr. 1 and Add.7-11(F) (in ILC Report, A/37/10, (F), 1982, annex)  
- ILC Report, A/37/10, (F), 1982, chp. II (A)(1), par. 32
G. Other
    1. 27th session of the International Law Commission (1975)
      - Draft articles on treaties concluded between States and international organizations or between international organizations: new articles 19 and 20 proposed by the Special Rapporteur

- U.N. Doc. A/CN.4/L.234 (F) (in Ybk, 1975, vI, (F), 1350th mtg (14 July 1975) (F) 
    2. 29th session of the International Law Commission (1977)
 
      - Draft articles on treaties concluded between States and international organizations or between international organizations: articles 19-23 proposed by Mr. Ushakov, in A/32/10, footnotes 464, 478, 480, 482 and 485
- U.N. Doc. A/CN.4/L.253 (F) (in Ybk, 1977, vII(2), (F)).
    3. 31st session of the International Law Commission (1979)
      - Draft articles on treaties concluded between States and international organizations or between international organizations: text of article 46 proposed by Mr. Ushakov
- U.N. Doc. A/CN.4/L.296 (F) (in Ybk, 1979, vI, (F), 1552nd mtg (14 June 1979))
H. Reports of the International Law Commission
    1. Report of the International Law Commission on the work of its twenty-second session, 4 May to 10 July 1970  
      - Adopted the report of the Sub-Committee  
      - Discussion in Plenary: 1078th (F) mtg (26 June 1970)
- ILC Report, A/8010/Rev.1 (F) A/25/10), 1970, chp. V(D), paras.88-89  
- Ybk, 1970, vII  (F)
- Ybk, 1970, vI (F)
    2. Report of the International Law Commission on the work of its twenty-third session, 26 April to 30 June 1971  
      - Adopted the report of the Sub-Committee. On the basis of the report, the Commission took the following decision: a) it unanimously appointed Mr. Paul Reuter as Special Rapporteur for the topic; b) it confirmed the request that it had addressed to the Secretary-General at its twenty-second session concerning the preparation of documentation for the use of members of the Commission; and c) decided that the historical survey prepared by the Secretariat (U.N. Doc. A/CN.4/L.161) should be included in the Yearbook.  
      - Discussion in Plenary: 1129th (F) mtg (5 July 1971)
- ILC Report, A/8410/Rev.1 (F) A/26/10), 1971, chp. IV, paras.114-118 and annex  
- Ybk, 1971, vII(1) (F)
  
  
  
  

  
-Ybk, 1971, vI (F)
    3. Report of the International Law Commission on the work of its twenty-fourth session, 2 May to 7 July 1972  
      - The Special Rapporteur presented his first report on the topic, and announced that he would proceed to prepare a further report on receiving responses to a questionnaire sent out to the principal international organizations, so as to facilitate the holding of a preliminary discussion.
- ILC Report, A/8710/Rev.1 (F) A/27/10), 1972, chp. IV(D), par.76  
- Ybk, 1972, vII (F)
    4. Report of the International Law Commission on the work of its twenty-fifth session, 7 May to 13 July 1973  
      - Discussed first and second reports of the Special Rapporteur. The Commission approved the general lines of the method followed by the Special Rapporteur. It requested him to begin the preparation of a set of draft articles on the basis of the reports and comments made during the session.  
      - Discussion in Plenary: 1238th (F) mtg (2 July 1973), 1241st (F), 1242nd (F) and 1243rd (F) mtgs (4 to 6 July 1973)
- ILC Report, A/9010/Rev.1 (F) A/28/10), 1973. chp. V, paras. 124-133  
- Ybk, 1973, vII  (F)
  
  

- Ybk, 1973, vI (F)

    5. Report of the International Law Commission on the work of its twenty-sixth session, 6 May to 26 July 1974  
      - After referring the draft articles prepared by the Special Rapporteur to the Drafting Committee, it adopted draft articles 1, 2(1)(a)(d)(e)(f)(I), 3, 4 and 6 together with commentaries on first reading. It emphasized the provisional nature of these texts.  
      - Discussion in Plenary: 1260th (F), 1274th (F) and 1275th (F) mtgs (20 May, 10 and 11 June 1974), 1277th (F) mtg (13 June 1974), 1279th (F) mtg (17 June 1974), and 1291st (F) mtg (9 July 1974)
- ILC Report, A/9610/Rev.1 (F) A/29/10), 1974, chp. IV, paras. 124-145  
- Ybk, 1974, vII(1) (F) 

  

- Ybk, 1974, vI (F)

    6. Report of the International Law Commission on the work of its twenty-seventh session, 5 May to 25 July 1975  
      - Adopted sub-paragraphs (b), (b bis), (b ter), (c), (c bis) and (g) of article 2, paragraph 1; articles 7 to 18, on first reading together with commentaries. Referred to the Drafting Committee draft articles 19 to 23 as submitted by the Special Rapporteur, but did not consider further.  
      - Discussion in Plenary: 1344th (F), 1345th (F), 1346th (F), 1347th (F), 1348th (F), 1349th (F) and 1350th (F) mtgs (4 July to 14 July 1975), and 1353rd (F) mtg (21 July 1975)
- ILC Report, A/10010/Rev.1 (F) (A/30/10), 1975, chp. V, paras.120-137  
- Ybk, 1975, vII (F)

  

- Ybk, 1975, vI (F)

    7. Report of the International Law Commission on the work of its twenty-eighth session, 3 May to 23 July 1976  
      - Due to time constraints the Commission was unable to consider the topic. 
- ILC Report, A/31/10, (F), 1976, chp. VI(A), par.167 - Ybk, 1976, vII(2) (F)

- ILC Report, A/32/10, (F), 1977, chp. IV, paras.61-76  
- Ybk, 1977, vII(2) (F)
  

 

-Ybk, 1977, vI (F)

    9. Report of the International Law Commission on the work of its thirtieth session, 8 May to 28 July 1978  
      - The Commission adopted on first reading the texts of article 2, paragraph 1(h), and of articles 35, 36, 36 bis, 37 and 38, with commentaries, and referred draft articles 39, 40 and 41 to the Drafting Committee.  
      - Discussion in Plenary: 1507th (F), 1508th (F), 1509th (F), 1510th (F), 1511th (F) and 1512th (F) mtgs (27 June to 5 July 1978), and 1524th (F) mtg (24 July 1978)
- ILC Report, A/33/10, (F), 1978, chp. V, paras. 125-135  
- Ybk, 1978, vII(2) (F)
  
  
  

- Ybk, 1978, vI (F)

    10. Report of the International Law Commission on the work of its thirty-first session, 14 May to 3 August 1979  
      - The Commission considered and adopted the articles of Part IV (amendment and modification of treaties) (articles 39 to 41) and a substantial portion of those of Part V (Invalidity, termination and suspension of the operation of treaties) (articles 42 to 60), with commentaries. The Commission also decided to transmit the draft articles so far provisionally adopted to Member States for their observations.  
      - Discussion in Plenary: 1546th (F), 1547th (F), 1548th (F), 1549th (F), 1550th (F), 1551st (F), 1552nd (F) and 1553rd (F) mtgs (6 to 15 June 1979), 1557th (F), 1558th (F) and 1559th (F) mtgs (21 to 25 June 1979), and 1576th (F) mtg (25 July 1979)
- ILC Report, A/34/10, (F), 1979, chp. IV, paras. 76-85  
- Ybk, 1979, vII(2) (F)

  
  
  
  
  

- Ybk, 1979, vI (F)

    11. Report of the International Law Commission on the work of its thirty-second session, 5 May to 25 July 1980  
      - The Commission adopted articles 61 to 80 and the Annex with commentaries, thus completing the first reading of the draft articles. The articles adopted included Part V (Invalidity, termination and suspension of the operation of treaties) (articles 61 to 72), Part VI (Miscellaneous provisions) (articles 73 to 75) and Part VII (Depositaries, notifications, corrections and registration) (articles 76 to 80). The Annex adopted concerned the "Procedures established in application of article 66". Through the Secretary-General, the Commission requested Governments and international organizations to submit their comments and observations on the draft articles.  
      - Discussion in Plenary: 1585th (F), 1586th (F), 1587th (F), 1588th (F), 1589th (F), 1590th (F), 1591st (F), 1592nd (F), 1593rd (F), 1594th (F), 1595th (F) and 1596th (F) mtgs (6 to 22 May 1980), and 1624th (F) mtg (2 July 1980)

- ILC Report, A/35/10, (F), 1980, chp. IV, paras. 49-58  
- Ybk, 1980, vII(2)  (F)
  
  
  
  
  


  

- Ybk, 1980, vI (F)

- ILC Report, A/36/10, (F), 1981, chp. III, paras. 88-129  
- Ybk, 1981, vII(2) (F)
  

 

- Ybk, 1981, vI (F)